Table 2.3-1 - Esp6000 Controls And Indicators - Newport ESP6000 User Manual

Reference
Designation Nomenclature
1 Reset
2 Error
3 Motion
4 Communication
Section 2 — System Set-Up
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Table 2.3-1 — ESP6000 Controls And Indicators
Description
LED state controlled by 'watchdog' timer and PCI interface. LED OFF
indicates board is in reset state. Possible causes for reset state include:
1. Normal power-on reset
2. Application Programmer Interface (API) initialization command
3. +5V below operating range
4. Digital Signal Processor (DSP) not communicating with 'watchdog'
timer.
LED 2 will flash ON/OFF at approximately 0.5 second intervals as
long as there is an unread error message on-board.
LED 3 will remain illuminated (ON) while any axis is in motion.
LED 4 will illuminate continuously when API commands are received.
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